Spot Forecast Issued by NWS Milwaukee/Sullivan, WI
000
FNUS73 KMKX 200835
FWSMKX
Spot Forecast for Ridgevue burn...WI DNR
National Weather Service Milwaukee/Sullivan WI
335 AM CDT Sat Apr 20 2024
Forecast is based on ignition time of 1000 CDT on April 20.
Please contact the National Weather Service if conditions become
unrepresentative or if you have questions/concerns about this forecast.
.DISCUSSION...
Deep mixing to almost 6000 feet is expected today. A high-based cloud
deck is expected to build into the area by mid to late morning, and
a few sprinkles or very light rain showers may make it to the
surface from these clouds. RH today will fall to around 40
percent. Winds will remain west to northwesterly, with speeds
gradually decreasing through the daytime hours.
.REST OF TODAY...
Sky/weather.........Partly sunny (60-70 percent). Chance of
sprinkles in the afternoon.
Temperature.........37 at ignition...Max 46.
RH..................54 percent at ignition...Min 40 percent.
Wind (20 ft)........Winds northwest at 12 mph at
ignition...otherwise Northwest winds around 12
mph.
Mixing height.......4700 ft AGL at ignition...otherwise 5700 ft
AGL.
Transport winds.....Northwest 21 to 23 mph.
Smoke dispersal.....Excellent /93600 knot-ft/ at ignition.
Max...excellent /103400 knot-ft/.
Haines Index........3 or very low potential for large plume
dominated fire growth at ignition...max 3.
TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........66 65 63 62 63 64 64 60
Weather cov..... CHC CHC CHC CHC CHC
Weather type.... RW RW RW RW RW
Tstm cov........
Temp............37 39 40 41 43 44 45 45
RH..............54 48 46 46 43 43 41 41
20 FT wind dir..NW NW NW NW NW NW NW NW
20 FT wind spd..12 12 12 12 12 12 12 11
20 FT wind gust.18 18 18 18 18 18 17 16
Mix hgt (kft)...4.7 4.9 5.1 5.3 5.4 5.7 5.7 5.2
Transp wind dir.NW NW NW NW NW NW NW NW
Transp wind spd.23 22 22 22 21 21 21 21
Haines index....3 3 3 3 3 3 3 3
SDspl kt-ft/100094 94 97 100 98 102 103 94
.TONIGHT...
Sky/weather.........Mostly cloudy (50-60 percent) then becoming
partly cloudy (25-35 percent) then becoming
clear (0-10 percent). Chance of sprinkles early
in the evening. Widespread frost overnight.
Temperature.........Min 30.
RH..................Max 75 percent.
Wind (20 ft)........West winds 7 to 10 mph.
Mixing height.......400 ft AGL.
Transport winds.....West 12 to 21 mph.
Smoke dispersal.....Excellent (83400 knot-ft) early in the evening
decreasing to poor (4100 knot-ft) late in the
night.
Haines Index........3 to 4 or very low to low potential for large
plume dominated fire growth.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........55 50 48 46 43 31 19 7 5 3 1 1
Weather cov.....CHC WID WID WID WID WID
Weather type....RW FST FST FST FST FST
Tstm cov........
Temp............44 42 40 39 37 36 35 34 33 32 32 32
RH..............43 46 52 54 61 61 66 69 72 72 69 69
20 FT wind dir..NW NW NW W W W W W W W W W
20 FT wind spd..10 9 8 7 6 6 6 6 6 6 6 6
20 FT wind gust.14 14 13 12 11 11 11 11 11 10 10 10
Mix hgt (kft)...4.6 2.5 0.6 0.6 0.6 0.5 0.5 0.4 0.4 0.4 0.4 0.4
Transp wind dir.NW NW NW W W NW W W W W W W
Transp wind spd.21 16 13 13 13 13 13 13 12 12 13 13
Haines index....3 4 4 4 4 4 4 4 4 4 4 4
SDspl kt-ft/100083 35 6 6 6 6 5 5 4 4 5 5
.SUNDAY...
Sky/weather.........Sunny (0-5 percent). Widespread frost early in
the morning.
Temperature.........Max 58.
RH..................Min 27 percent.
Wind (20 ft)........West winds 7 to 12 mph. Gusts up to 22 mph late
in the afternoon.
Mixing height.......6400 ft AGL.
Transport winds.....Northwest 13 to 22 mph shifting to the west 20
to 23 mph late in the afternoon.
Smoke dispersal.....Poor (4800 knot-ft) early in the morning
increasing to excellent (97200 knot-ft) in the
afternoon increasing to excellent (75400
knot-ft) in the afternoon.
Haines Index........4 to 5 or low to moderate potential for large
plume dominated fire growth.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........1 0 0 0 0 1 1 1 2 2 3 2
Weather cov.....WID
Weather type....FST
Tstm cov........
Temp............31 33 37 42 47 49 52 54 55 56 57 57
RH..............72 66 61 50 43 40 35 32 31 30 28 28
20 FT wind dir..W W W W W W W W W W W W
20 FT wind spd..6 6 7 8 9 9 10 10 11 11 11 10
20 FT wind gust.10 10 11 13 14 14 14 16 17 18 18 14
Mix hgt (kft)...0.4 0.4 1.1 1.9 3.6 4.5 5.1 5.7 6.0 6.2 6.4 4.4
Transp wind dir.W W W W NW NW NW NW NW W W W
Transp wind spd.14 13 17 18 22 22 22 22 22 23 23 20
Haines index....4 5 5 5 5 5 5 5 5 5 5 5
SDspl kt-ft/10005 5 17 31 68 85 97 109 113 123 128 75
$$
Forecaster...Boxell
Requested by...Jared Urban
Type of request...PRESCRIBED
.TAG 2411454.0/MKX
.DELDT 04/20/24
.FormatterVersion 2.0.0
.EMAIL jared.urban@wisconsin.gov